What is Biological Evolution?
The remains of impressions of organisms
fossils
Rock that had been formed from other pieces of rock
Sedimentary Rock
All the time that has passed since the earth formed
Geological Time
A random change in the nucleotide sequence of DNA
Mutation
A group of organisms of the same species that live in the same area
Population
The study of the geographical distribution of fossils and living organisms
Biogeography
Paleontologist
A scientist who studies fossils
Changes in a population over time
Evolution
The structure of an organism
Anatomy
An animal that has a backbone
Vertebrate
A theory that present organisms descended from past organisms
Common Descent
The body parts that are similar in related animals
Homologous structure
An egg-laying vertebrate that breathes with lungs
Reptile
To change genetically over generations to become more suited to the environment
Adapt
The study of the biochemical and molecular processes within cells
Molecular Biology
A theory that the earth's surface is made of large sections of crust that move
Plate tectonics